Katherine Elizabeth McGrath is an Irish actress who portrays the character of Morgana Pendragon on the BBC, television series Merlin. Prior to Merlin, her highest-profile film/TV role had been a guest-star appearance in an episode of The Tudors and the horror film Freakdog (also released as Red Mist).
Definition of Americana for English Language Learners. : things produced in the U.S. and thought to be typical of the U.S. or its culture.
Definition of Americanism. 1  1 : a characteristic feature of American English especially as contrasted with British English. 2  2 : attachment or allegiance to the traditions, interests, or ideals of the U.S. 3  3a : a custom or trait peculiar to Americab : the political principles and practices essential to American culture.